1. We had a river to swim in.

2. The child would be happier if he had so to play with.

1. Closes thành begins

2. Doing thành making 

3. I thành me

4. are thành is

5. Bỏ does not

1. A careful driver

2. to the right of my school. 

V. You must take this medicine 3 times a day.

1B 2C 3A 4(HÌNH NHƯ ĐỀ LỖI) 5A 6A 7A 8D 9C 10C

16C 17A 18A 19C

17. A 18.B 19.D 20.B 21.A 22.C 23.B

1A 2B 3A 4C

11B 12A 13C 14C 15B 16C

1A 2D

1. suggests 2. recommend 3. definitely 4. probably 5. most wonderful 6. natural 7. picturesque 8. astounding 9. geological 10. administrative